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Finding the Third Proportional to 67,296,399 and 143,919,256.50

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Solution

The third proportional to 67,296,399 and 143,919,256.50 is: 307,783,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,296,399 : 143,919,256.50 = 143,919,256.50 : x
  2. Step 2: Convert to fraction form
    67,296,399/143,919,256.50 = 143,919,256.50/x
  3. Step 3: Cross multiply
    67,296,399x = 143,919,256.50 × 143,919,256.50
  4. Step 4: Simplify right side
    67,296,399x = 20,712,752,391,512,792
  5. Step 5: Solve for x
    x = 20,712,752,391,512,792/67,296,399
  6. Step 6: Final answer
    x = 307,783,963.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.